90 matches found
A New APT Hacking Group Targeting Fuel, Energy, and Aviation Industries
A previously undocumented threat actor has been identified as behind a string of attacks targeting fuel, energy, and aviation production industries in Russia, the U.S., India, Nepal, Taiwan, and Japan with the goal of stealing data from compromised networks. Cybersecurity company Positive...
Exploit for Unrestricted Upload of File with Dangerous Type in Microsoft
ProxyShellPOC POC for...
New APT ChamelGang Targets Russian Energy, Aviation Orgs
A new APT group has emerged that’s specifically targeting the fuel and energy complex and aviation industry in Russia, exploiting known vulnerabilities like Microsoft Exchange Server’s ProxyShell and leveraging both new and existing malware to compromise networks. Researchers at security firm...
Exploit for Unrestricted Upload of File with Dangerous Type in Microsoft
ProxyShell Proof of Concept Exploit for Microsoft Exchange CVE...
Conti ransomware affiliates hit Exchange Servers with ProxyShell exploits
By Waqas Conti ransomware affiliates are exploiting 3 unpatched vulnerabilities that allow unauthenticated, remote code execution on MS Exchange Servers. This is a post from HackRead.com Read the original post: Conti ransomware affiliates hit Exchange Servers with ProxyShell exploits...
PST, Want a Shell? ProxyShell Exploiting Microsoft Exchange Servers
In August 2021, Mandiant Managed Defense identified and responded to the exploitation of a chain of vulnerabilities known as ProxyShell. The ProxyShell vulnerabilities consist of three CVEs CVE-2021-34473, CVE-2021-34523, CVE-2021-31207 affecting the following versions of on-premises Microsoft...
Security News: Exchange ProxyShell, Zoom RCE, Citrix Canceled PT Acknowledgments, Cisco No Patch Router RCEs
Hello everyone! This is a new episode with my comments on the latest Information Security news. Exchange ProxyShell I want to start with something about attacks on Exchange. ProxyShell is in the news, the LockFile ransomware compromised more than 2000 servers. On the other hand, there is basicall...
LockFile Ransomware Uses Never-Before Seen Encryption to Avoid Detection
Researchers discovered a novel ransomware emerging on the heels of the ProxyShell vulnerabilities discovery in Microsoft Exchange servers. The threat, dubbed LockFile, uses a unique “intermittent encryption” method as a way to evade detection as well as adopting tactics from previous ransomware...
LockFile Ransomware Bypasses Protection Using Intermittent File Encryption
A new ransomware family that emerged last month comes with its own bag of tricks to bypass ransomware protection by leveraging a novel technique called "intermittent encryption." Called LockFile, the operators of the ransomware have been found exploiting recently disclosed flaws such as ProxyShel...
Microsoft Breaks Silence on Barrage of ProxyShell Attacks
Microsoft has broken its silence on the recent barrage of attacks on several ProxyShell vulnerabilities in that were highlighted by a researcher at Black Hat earlier this month. The company released an advisory late Wednesday letting customers know that threat actors may use unpatched Exchange...
Unpatched Microsoft Exchange servers hit with ProxyShell attack
By Waqas Researchers have identified 140+ webshells launched against 1,900 unpatched Microsoft Exchange servers. This is a post from HackRead.com Read the original post: Unpatched Microsoft Exchange servers hit with ProxyShell attack...
ProxyShell and PetitPotam exploits weaponized by LockFile Ransomware Group
THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. LockFile, a new ransomware gang, has been active since last week. LockFile began by using a publicly disclosed PetitPotam exploit CVE-2021-36942 to compromise Windows Domain Controllers earlier this week. Using ProxyShell...
ProxyShell Attacks Pummel Unpatched Exchange Servers
Over the weekend, the Cybersecurity & Infrastructure Security Agency CISA issued an urgent alert that attackers are actively attacking ProxyShell vulnerabilities in unpatched Microsoft Exchange Servers, joining researchers in urging organizations to immediately install the latest Microsoft Securi...
Patch now! Microsoft Exchange is being attacked via ProxyShell
Last Saturday the Cybersecurity and Infrastructure Security Agency issued an urgent warning that threat actors are actively exploiting three Microsoft Exchange vulnerabilities—CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207. These vulnerabilities can be chained together to remotely execute...
WARNING: Microsoft Exchange Under Attack With ProxyShell Flaws
The U.S. Cybersecurity and Infrastructure Security Agency is warning of active exploitation attempts that leverage the latest line of "ProxyShell" Microsoft Exchange vulnerabilities that were patched earlier this May, including deploying LockFile ransomware on compromised systems. Tracked as...
Microsoft Exchange ProxyShell Remote Code Execution Exploit
This Metasploit module exploits a vulnerability on Microsoft Exchange Server that allows an attacker to bypass the authentication, impersonate an arbitrary user, and write an arbitrary file to achieve remote code execution. By taking advantage of this vulnerability, you can execute arbitrary...
Urgent: Protect Against Active Exploitation of ProxyShell Vulnerabilities
Malicious cyber actors are actively exploiting the following ProxyShell vulnerabilities: CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207. An attacker exploiting these vulnerabilities could execute arbitrary code on a vulnerable machine. CISA strongly urges organizations to identify vulnerable...
Metasploit Wrap-Up
Anyone enjoy making chains? The community is hard at work building chains to pull sessions out of vulnerable Exchange servers. This week Rapid7's own wvu & Spencer McIntyre added a module that implements the ProxyShell exploit chain originally demonstrated by Orange Tsai. The module also benefite...